Brand New, Unopened: Includes 6 Carbon Impregnated Foam Pads. Compatible Models: Specially designed for Fluval FX5/6 High Performance Canister Filters. Versatile Use: Suitable for both freshwater and marine aquariums. Superior Filtration: Captures micro particles for effective mechanical filtration. Activated carbon helps remove odors, discoloration, heavy metals, and organic contaminants. Description: Ensure optimal water clarity and a healthy environment for your aquatic life with this 6-pack of Fluval Carbon Impregnated Foam Pads. These high-quality replacement filter media pads are specifically designed for use with Fluval FX5/6 High Performance Canister Filters. Perfect for maintaining clean and clear aquarium water.